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Page Title:
Table 1. BRAKE SHOE ASSEMBLIES WEAR LIMITS |
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 TM 9-2520-238-34
REPAIR BRAKE SHOE ASSEMBLIES -- Continued
0022 00
3.
Check the parts dimensions with chart below to determine replacement.
Table 1. BRAKE SHOE ASSEMBLIES WEAR LIMITS
Reference
Point of Measurement
Size and Fit of New Parts
Wear Limits
Letter
A
Inside diameter of hole in shoe
0.5120 to 0.5200
0.5300
B
Outside diameter of pin
0.4980 to 0.5000
0.4930
B-A
Fit of pin in shoe
0.0120L to 0.0220L
0.0370L
C
Inside diameter of hole in clevis
0.5120 to 0.5200
0.5300
C-B
Fit of pin to clevis
0.0120L to 0.0220L
0.0370L
D
Outside diameter of pin
0.4980 to 0.5000
0.4930
E
Outside diameter of pin
0.6240 to 0.6250
0.6190
F
Inside diameter of bore hole in shoe
0.5120 to 0.5200
0.5300
F-D
Fit of pin in shoe
0.0120L to 0.0220L
0.0370L
G
Inside diameter of hole in link
0.5130 to 0.5190
0.5290
G-D
Fit in pin in link
0.0130L to 0.0210L
0.0360L
H
Inside diameter of hole in link
0.6260 to 0.6270
0.6370
H-E
Fit of pin in link
0.0010L to 0.0030L
0.0180L
I
Inside diameter of hole in brake shaft
0.6270 to 0.6280
0.6380
I-E
Fit of pin in brake shaft
0.0020L to 0.0040L
0.0190L
J
Outside diameter at bearing surface of shaft
1.2505 to 1.2480
1.2480
K
Inside diameter of hole in brake shaft
1.0630 to 1.0650
1.0750
L
Outside diameter of pin
1.0570 to 1.0590
1.0520
L-K
Fit of pin in shaft
0.0040L to 0.0080L
0.0230L
M
Inside diameter of needle bearing
1.2505 to 1.2500
(*)
M-J
Fit of bearings on shaft
0.0005L to 0.0005T
0.0020L
* Must be within new parts dimensions.
END OF TASK
0022 00-9/10 blank
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